Saturday’s weather: Thunderstorms leading to flooding in 4 provinces; cool, warm elsewhere

Severe thunderstorms, which may lead to flooding, are expected in at least four provinces.

Wayne Parsons/Gallo Images

The South African Weather Service (SAWS) has forecast severe thunderstorms that may lead to flooding in parts of the Eastern Cape, Northern Cape, KwaZulu-Natal and Free State.

Impact-based warnings

Yellow level 4 warning: Severe thunderstorms leading to flooding of low-lying areas, susceptible roads and bridges, as well as strong, damaging winds and hail, resulting in damage to infrastructure, informal settlements, property, vehicles, livelihood and livestock expected over the north-eastern parts of KwaZulu-Natal.

Yellow level 2 warning: Severe thunderstorms leading to localised flooding of low-lying areas, susceptible roads and bridges as well as strong damaging winds and hail, resulting in localised damage to infrastructure, informal settlements, property, vehicles, livelihood and livestock expected over the north-eastern parts Northern Cape, the central parts and the eastern parts of Free State as well as in places over KwaZulu-Natal, except in the north-east.

Yellow level 1 warning: Severe thunderstorms leading to localised flooding of low-lying areas, susceptible roads and bridges as well as strong damaging winds and hail, resulting in localised damage to infrastructure, settlements (informal), property, vehicles, livelihood and livestock expected over the eastern parts of the Eastern Cape.

In the SAWS’s colour-coded weather warning system, yellow indicates a moderate risk of impact that requires caution and awareness, while orange indicates that a higher-risk impact is expected, requiring increased attention and preparation.

SAWS uses the numbers to indicate the likelihood of weather-based impacts occurring. Levels 2 and 6 are high, and level 4 is low.

Advisories

Hot and humid weather will result in extremely uncomfortable conditions along the coast and adjacent interior of KwaZulu-Natal.

The weather in your province

Gauteng: Partly cloudy and cool to warm with isolated showers and thundershowers.

Pretoria: 16°C — 29°C

Johannesburg: 15°C — 27°C

Vereeniging: 16°C — 28°C

Mpumalanga: Morning fog patches over the escarpment, otherwise partly cloudy and warm with isolated to scattered showers and thundershowers.

Mbombela: 19°C — 30°C

Ermelo: 14°C — 26°C

Emalahleni: 16°C — 27°C

Standerton: 15°C — 28°C

Skukuza: 22°C — 34°C

Limpopo: Partly cloudy and warm with isolated showers and thundershowers, but scattered over the escarpment where morning fog patches are expected. It will be hot over the Lowveld.

Polokwane: 17°C — 28°C

Phalaborwa: 22°C — 31°C

Tzaneen: 19°C — 28°C

Musina: 22°C — 32°C

Lephalale: 20°C — 31°C

Mokopane: 17°C — 30°C

North West: Partly cloudy and warm with isolated showers and thundershowers, but scattered in the west.

Klerksdorp: 17°C — 29°C

Potchefstroom: 16°C — 29°C

Mahikeng: 18°C — 30°C

Rustenburg: 19°C — 31°C

Vryburg: 18°C — 29°C

Free State: Cloudy and cool to warm with scattered showers and thundershowers, but isolated in the north-east.

Bloemfontein: 18°C — 27°C

Welkom: 19°C — 28°C

Bethlehem: 15°C — 26°C

Northern Cape: Fine in the extreme west with morning fog patches along the coast, otherwise partly cloudy and warm with isolated to scattered showers and thundershowers in the east, where it will be cloudy. It will be cool in the extreme south-west.

Coastal winds: Moderate southerly, becoming fresh south-westerly in the north from the afternoon.

Upington: 21°C — 32°C

Kimberley: 19°C — 28°C

De Aar: 19°C — 27°C

Alexander Bay: 16°C — 26°C

Springbok: 17°C — 29°C

Calvinia: 12°C — 27°C

Sutherland: 8°C — 23°C

Western Cape: Cloudy over the western parts in the morning with light early morning rain in the south-west, otherwise partly cloudy and cool to warm but fine over the central and eastern interior.

Coastal winds: Light north-westerly along the south-west coast in the morning, otherwise light to moderate south-westerly to westerly but fresh to strong in places along the south coast.

Cape Town: 17°C — 24°C

Vredendal: 15°C — 27°C

Riversdale: 15°C — 27°C

George: 14°C — 23°C

Worcester: 15°C — 26°C

Beaufort West: 18°C — 28°C

Oudtshoorn: 15°C — 30°C

Eastern half of the Eastern Cape: Partly cloudy and cool to warm with scattered showers and thundershowers, but isolated in the south-west. Coastal winds: Moderate to fresh south-westerly.

Western half of the Eastern Cape: Cloudy with isolated showers and thundershowers in the morning, otherwise partly cloudy and warm, but cool in places along the coast.

Gqeberha: 17°C — 24°C

Makhanda: 17°C — 24°C

Cradock: 18°C — 30°C

Graaff-Reinet: 18°C — 29°C

KuGompo (formerly East London): 19°C — 23°C

Port St Johns: 19°C — 29°C

Mthatha: 17°C — 29°C

Komani: 17°C — 29°C

Qonce: 18°C — 24°C

KwaZulu-Natal: Morning fog patches over the interior, otherwise cloudy and warm to hot with scattered showers and thundershowers.

Coastal winds: Fresh to strong northerly to north-easterly, becoming southerly to south-westerly south of Durban in the afternoon, spreading north.

Durban: 24°C — 31°C